BMW is renowned for producing powerful and sophisticated cars. They provide a special driving experience and have been associated with high performance and luxury vehicles for decades. The BMW 335i is a perfect example, with its use of the twin-turbocharged engine for stellar performance. However, like every other car, the BMW 335i is also prone to mechanical problems. One issue that is not uncommon is a blown turbo. The turbocharger is a key component that increases the engine’s efficiency and power output by forcing extra air into the combustion chamber. When it fails, the car’s performance goes down drastically.
In this article, we will guide you through the most efficient method of replacing a blown turbo in a BMW 335i. We will cover the steps, the parts you’ll need, and how to get a reliable quote for the service.
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Identifying a Blown Turbo
Before you dive into replacing the turbocharger, you need to make sure that it’s the real problem. Some symptoms could indicate a blown turbo. These include a lack of power, excessive engine oil consumption, or the so-called “turbo whistle”. If you notice these signs, it’s time to inspect the turbocharger.
First, remove the air inlet to the turbo. If the turbo is blown, there will be oil present in that area. This is because the seal within the turbo has failed, causing oil to leak into the air intake. Remember to turn off the engine while doing these checks to avoid injury.
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Getting a Quote
Once you’ve confirmed that your BMW 335i has a blown turbocharger, the next step is to get a quote. This would include the cost of the new turbocharger and the labour charge for installing it.
There are several ways to get a quote. You can reach out to a local car repair shop, or you can use platforms like iTrader where you can find professionals who specialize in BMW cars. Remember, the goal here is not to find the cheapest option but the most reliable one. The turbocharger is a vital part of your engine and should only be handled by a professional.
Choosing the Right Parts
The BMW 335i utilizes a twin-turbocharged engine, meaning you’ll need two turbochargers. It’s crucial to select high-quality parts when replacing these.
You can either go for OEM (Original Equipment Manufacturer) parts or aftermarket options. OEM parts are specifically designed for your vehicle and will guarantee perfect fit and function. Aftermarket parts can be less expensive and, in some cases, offer better performance. However, they may not always be a perfect fit for your car.
To be on the safe side, you might want to consider discussing your options with a professional BMW rep or mechanic before making a decision.
Preparing for the Replacement
Before the replacement, you need to prepare your engine. This involves draining the oil and fuel from the system to avoid any chance of contamination. The location of the oil and fuel drain plugs can be found in your BMW 335i manual.
Next, you need to thoroughly clean the area around the turbo. This is to prevent any debris from getting into the new turbo once it’s installed.
The Replacement Process
The process of replacing the turbo involves several steps. Firstly, the old turbo chargers are removed. This requires disconnecting the oil supply line, the air outlet, the coolant lines, and then unbolting the turbo from the exhaust manifold.
After the old turbos have been removed, it’s time to install the new ones. You’ll have to ensure the new turbos are properly aligned on the exhaust manifold before bolting them on.
Then, you must reconnect the oil supply line, the coolant lines, and the air outlet. For the final touch, you should also replace the oil filter and fill the engine with fresh oil. This will ensure the longevity of the new turbos and the overall health of your engine.
In conclusion, replacing a blown turbo in a BMW 335i can be a complex task. It’s best to get professional help, especially if you’re not familiar with the intricacies of a BMW engine. However, with the right tools, the right parts, and a bit of patience, you can effectively replace a blown turbo and restore your BMW 335i’s performance to its former glory.
Locating a Professional Installer
Once you’ve identified the issue, obtained a quote, and chosen the right parts, the next step is to locate a professional installer who can execute the turbo replacement. You can use platforms like iTrader garage to connect with experienced mechanics who specialize in BMW cars.
It’s crucial to select an installer who has experience in handling turbo systems, particularly for BMW 335i. This isn’t an area where you should compromise, as an improper installation can lead to further damage and expensive repairs down the line.
After identifying potential mechanics, you can check their rep posts and attached images of previous work, which can give you an idea of their expertise and quality of service. It’s also beneficial to connect with drives join forums and BMW car clubs, where you can find recommendations from other BMW owners about reliable mechanics.
Remember to ask the installer about the entire process, including cooling system checks and potential turbo upgrade options. Some mechanics might also offer a warranty on their work, which can be quite beneficial in the long run.
Post-Replacement Maintenance
Once the turbochargers have been replaced, regular maintenance is key to ensure their longevity and overall health of your engine. The turbochargers, being a part of the cooling system, require frequent checks to avoid overheating which can lead to another blowout.
Regular oil changes are vital, especially after a turbo replacement. Fresh oil will keep the new turbos lubricated and functioning efficiently. You should also keep an eye out for any unusual noises, such as a “turbo whistle” or excessive oil consumption, which could indicate potential issues.
You’ll also benefit from having regular check-ups with your mechanic, who can spot any potential problems before they become serious. Remember, an ounce of prevention is worth a pound of cure, especially when it comes to maintaining a high-performance vehicle like the BMW 335i.
Conclusion
In conclusion, replacing the turbo in a BMW 335i involves a series of steps from identifying a blown turbo, obtaining a quote, choosing the right parts, locating a professional installer, and conducting regular post-replacement maintenance. Each step is crucial to ensure that your vehicle returns to its peak performance and stays that way for a good length of time.
Remember, while it’s possible to perform these steps yourself, hiring a professional is always recommended due to the complexity of the process. Utilize resources such as iTrader garage and drives join forums to find reliable mechanics, and don’t forget to keep up with regular maintenance and oil changes to ensure the longevity of your new turbos.
We hope that this guide has been helpful in explaining the most efficient method to replace a blown turbo in a BMW 335i. While it may seem daunting, with the right mechanic and careful attention to detail, your BMW will be back on the road, performing as it should in no time.
